English
thrillproof
From thrill + -proof.
Formed from thrill + -proof
Proto-Germanic *þurhilą
Proto-West Germanic *þurhil ‘perforation’
Old English þȳrel ‘hole’
Old English þȳrlian ‘to pierce’
English thrill
Today it means
adj Resistant to being thrilled; not easily impressed by something exciting.
Language periods are conventional ranges, not dates for this word.
Etymograph / thrillproof